Vehicle trajectories contain rich information on microscopic phenomena such as car following and lane changing. Despite many efforts to retrieve reliable trajectories from video images, previous approaches do not give high enough quality of trajectories that can be used in microscopic analysis. We introduce a new vehicle tracking approach based on a model-based 3-D vehicle detection and descrip...

PURPOSE It has been reported that Integran(®), a sheet-type absorbable topical collagen hemostat, is feasible for preventing pulmonary fistula after lung surgery. The most favorable aspect of Integran(®) is that it contains no blood products. However, the microscopic findings of post-surgery application of Integran(®) to the lung are not known. We identified 2 such cases of Integran(®) applicat...

Swarming cells of the sulfide-oxidizing bacterium Thiovulum majus form bands and show bioconvective patterns of swimming when placed in vessels containing H2S/O2 interfaces. Measurements of swimming velocities with video microscopic recordings under such conditions showed mean cell speeds as high as 615 microns s-1, unprecedented in bacteria.

An efficient technique for calibrating video cameras to record optical density (OD) from microscopic images is described. The method corrects for variation over the field of the brightfield and darkfield intensities, does not assume a linear response of the camera to the incident intensity and requires a single calibration filter.

We describe a process to provide registration of preoperative images to live intraoperative microscopic stereo feed, overlaying landmarks on the video feeds to give surgeons more visual information during surgeory. This method does not run close to real time(150-300ms), but offers better accuracy than other registration methods. This process can complement faster methods like template tracking ...

Metal working fluids were used in the preparation of oil in water emulsions. The size of oil droplets were evaluated by using the analysis of video images taken from the zeta potential measurements. The evaluated size distributions for emulsions were also tested by microscopic analysis. In addition, emulsion stabilities were discussed depending on electrolyte concentration and pH. The results s...

This paper introduces a stereoscopic stereo camera which equipped with two microscopic video sensors, a micro motor, and a linear stage. Mechanism of simultaneously controlling both vergence and focus of the camera is presented. Parallel-axis design of two video sensors enables the stereo camera to converge and focus on an interesting object simultaneously. Calibration of the camera is done to ...

Sarcomatoid carcinoma of the small bowel is extremely rare. We report the first case of sarcomatoid carcinoma identified by video capsule endoscopy in a patient referred for obscure gastrointestinal bleeding. Computed tomography and small bowel follow through failed to identify the tumor. The tumor was visualized initially on video capsule endoscopy examination and a 6 x 3 cm polypoid, fungatin...

OBJECTIVES/HYPOTHESIS Until recently, tympanic facial nerve surgery had been performed using microscopic approaches, but in recent years, exclusive endoscopic approaches to the middle ear have increasingly been used, particularly in cholesteatoma surgery. The aim of this report was to illustrate the surgical anatomy of the facial nerve during an exclusive endoscopic transcanal approach. STUDY...